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Date: Mon, 14 Jun 2010 23:37:25 +0200 From: Tejun Heo <tj@...nel.org> To: mingo@...e.hu, awalls@...ix.net, linux-kernel@...r.kernel.org, jeff@...zik.org, akpm@...ux-foundation.org, rusty@...tcorp.com.au, cl@...ux-foundation.org, dhowells@...hat.com, arjan@...ux.intel.com, johannes@...solutions.net, oleg@...hat.com, axboe@...nel.dk Cc: Tejun Heo <tj@...nel.org> Subject: [PATCH 08/30] workqueue: temporarily disable workqueue tracing Strip tracing code from workqueue and disable workqueue tracing. This is temporary measure till concurrency managed workqueue is complete. Signed-off-by: Tejun Heo <tj@...nel.org> --- kernel/trace/Kconfig | 4 +++- kernel/workqueue.c | 14 +++----------- 2 files changed, 6 insertions(+), 12 deletions(-) diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 8b1797c..74f0260 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -392,7 +392,9 @@ config KMEMTRACE If unsure, say N. config WORKQUEUE_TRACER - bool "Trace workqueues" +# Temporarily disabled during workqueue reimplementation +# bool "Trace workqueues" + def_bool n select GENERIC_TRACER help The workqueue tracer provides some statistical information diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 8e3082b..f7ab703 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -33,8 +33,6 @@ #include <linux/kallsyms.h> #include <linux/debug_locks.h> #include <linux/lockdep.h> -#define CREATE_TRACE_POINTS -#include <trace/events/workqueue.h> /* * Structure fields follow one of the following exclusion rules. @@ -243,10 +241,10 @@ static inline void clear_wq_data(struct work_struct *work) atomic_long_set(&work->data, work_static(work)); } -static inline -struct cpu_workqueue_struct *get_wq_data(struct work_struct *work) +static inline struct cpu_workqueue_struct *get_wq_data(struct work_struct *work) { - return (void *) (atomic_long_read(&work->data) & WORK_STRUCT_WQ_DATA_MASK); + return (void *)(atomic_long_read(&work->data) & + WORK_STRUCT_WQ_DATA_MASK); } /** @@ -265,8 +263,6 @@ static void insert_work(struct cpu_workqueue_struct *cwq, struct work_struct *work, struct list_head *head, unsigned int extra_flags) { - trace_workqueue_insertion(cwq->thread, work); - /* we own @work, set data and link */ set_wq_data(work, cwq, extra_flags); @@ -431,7 +427,6 @@ static void process_one_work(struct cpu_workqueue_struct *cwq, struct lockdep_map lockdep_map = work->lockdep_map; #endif /* claim and process */ - trace_workqueue_execution(cwq->thread, work); debug_work_deactivate(work); cwq->current_work = work; list_del_init(&work->entry); @@ -1017,8 +1012,6 @@ static int create_workqueue_thread(struct cpu_workqueue_struct *cwq, int cpu) return PTR_ERR(p); cwq->thread = p; - trace_workqueue_creation(cwq->thread, cpu); - return 0; } @@ -1123,7 +1116,6 @@ static void cleanup_workqueue_thread(struct cpu_workqueue_struct *cwq) * checks list_empty(), and a "normal" queue_work() can't use * a dead CPU. */ - trace_workqueue_destruction(cwq->thread); kthread_stop(cwq->thread); cwq->thread = NULL; } -- 1.6.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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